Home / 1,118,664.33-1,678,062.80-350,305.75

Finding the Fourth Proportional to 1,118,664.33, 1,678,062.80 and 350,305.75

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Solution

The fourth proportional to 1,118,664.33, 1,678,062.80 and 350,305.75 is: 525,479.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,664.33 : 1,678,062.80 = 350,305.75 : x
  2. Step 2: Convert to fraction form
    1,118,664.33/1,678,062.80 = 350,305.75/x
  3. Step 3: Cross multiply
    1,118,664.33x = 1,678,062.80 × 350,305.75
  4. Step 4: Simplify right side
    1,118,664.33x = 587,835,047,701.10
  5. Step 5: Solve for x
    x = 587,835,047,701.10/1,118,664.33
  6. Step 6: Final answer
    x = 525,479.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.